The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-317-2237, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-317-2237 |
| Primary Part Number | 2123171 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Diameter | 1.312 INCHES NOMINAL IN |
| Surface Finish | 63.0 MICROINCHES BORE |
| Surface Treatment Document and Classification | DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Minor Thickness | 0.250 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 3 |
| Mounting Hole Type | ROUND, UNTHREADED, COUNTERBORED |
| Counterbore Diameter | 1.1249 INCHES MINIMUM AND 1.1251 INCHES MAXIMUM IN |
| Counterbore Depth | 0.375 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 0.500 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Material Document and Classification | ASTM A575 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | COUNTERBORED W/ APERTURE |
| Outside Diameter | 2.187 INCHES NOMINAL IN |
| Aperture Diameter | 0.968 INCHES NOMINAL IN |
| Counterbore Depth | 0.125 INCHES NOMINAL IN |
| Counterbore Diameter | 0.344 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 1.750 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Material | STEEL COMP 1020 OVERALL |
| Body Thickness | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2123171 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3110-01-317-2237 is a Plate,retaining,bearing, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-317-2237 has 1 manufacturer part number on file: 2123171 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2123171: Body Diameter: 1.312 INCHES NOMINAL IN; Surface Finish: 63.0 MICROINCHES BORE; Surface Treatment Document and Classification: DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Minor Thickness: 0.250 INCHES NOMINAL IN. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.